Overall, curbing population growth could reduce greenhouse gas emissions; reducing peak population to roughly 8 billion, for example, could save 29 percent of expected greenhouse gas emissions.

总的来说，遏制人口增长能减少温室气体排放。例如，将峰值人口减至80亿，将能减少29%的预期排放量。

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Science continues to support the case for curbing greenhouse-gas emissions so as to minimise the risks of catastrophe.

科学仍将是减少温室气体排放的有力推手，使灾难的风险最小化。

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The addition of Franken will provide the Democrats with 60 votes in the U.S.Senate, giving President Barack Obama and party leaders a better chance of passing controversial legislation such as health care reform and a cap-and-trade bill aimed at curbing greenhouse gas emissions linked to global warming.

VOA: standard.2009.06.30

Campaigners believe this would mean curbing greenhouse gas emissions.

BBC: NEWS | Science/Nature | US predicts polar bear meltdown

Mr. FABIAN NUNEZ (California Assembly Speaker): California has had a history of taking leadership on environmental issues, but this, we believe, is going to have not just national but worldwide implications, with the goal of convincing the federal government that this country, who is the number one emitter of greenhouse gases, has to play a leadership role in curbing greenhouse gas emissions throughout the globe.

NPR: Calif. Diverges from U.S. with Greenhouse Gas Cuts